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Finding the Fourth Proportional to 413,574.87, 570,693 and 232,245.57

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Solution

The fourth proportional to 413,574.87, 570,693 and 232,245.57 is: 320,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,574.87 : 570,693 = 232,245.57 : x
  2. Step 2: Convert to fraction form
    413,574.87/570,693 = 232,245.57/x
  3. Step 3: Cross multiply
    413,574.87x = 570,693 × 232,245.57
  4. Step 4: Simplify right side
    413,574.87x = 132,540,921,080.01
  5. Step 5: Solve for x
    x = 132,540,921,080.01/413,574.87
  6. Step 6: Final answer
    x = 320,476.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.